/Engine/Source/Editor/SequencerCore/Public/MVVM/Extensions/IOutlinerExtension.h
[TOptional](API\Runtime\Core\IO\TOptional)< EItemDropZone > CanAcceptDrop ( const [FViewModelPtr](API\Editor\SequencerCore\FViewModelPtr) & TargetModel, const [FDragDropEvent](API\Runtime\SlateCore\Input\FDragDropEvent) & DragDropEvent, EItemDropZone InItemDropZone )